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The common factors of 15, 45, and 75 are the numbers that can evenly divide all three of these numbers. To find the common factors, you can first determine the prime factors of each number: 15 = 3 x 5, 45 = 3 x 3 x 5, and 75 = 3 x 5 x 5. The common factors are the numbers that appear in the prime factorization of all three numbers, which in this case are 3 and 5.

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4mo ago

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More answers

The factors of 15 are:

1, 3, 5, 15

The factors of 45 are:

1, 3, 5, 9, 15, 45

The factors of 75 are:

1, 3, 5, 15, 25, 75

The common factors are:

1, 3, 5, 15

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Wiki User

12y ago
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1, 3, 5, and 15 are all common factors of 45 & 75

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Wiki User

14y ago
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Factors of 30... 1,2,3,6,6,10,15,30

Factors of 45... 1,3,4,9,15,45

Factors of 75... 1,3,5,15,25,75

Therefore - the common factors are... 1,3 & 15

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Wiki User

7y ago
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Q: What are the common factors of 15 45 75?
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